19857138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6659}}^1$

素因数の和:6742

約数の個数: 32

約数和(自身を含む): 46033920

約数和(自身を除く): 26176782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6659, 13318, 19977, 39954, 46613, 93226, 139839, 279678, 472789, 945578, 1418367, 2836734, 3309523, 6619046, 9928569, 19857138]

約数ペア:

[(1, 19857138), (2, 9928569), (3, 6619046), (6, 3309523), (7, 2836734), (14, 1418367), (21, 945578), (42, 472789), (71, 279678), (142, 139839), (213, 93226), (426, 46613), (497, 39954), (994, 19977), (1491, 13318), (2982, 6659)]